Small food protein signals teach immune cells to accept food. The finding helps explain how the body prevents food allergies.

Although winter is coming to a close, cold and flu season is still threatening our immune systems. Staying healthy is a marriage of several simple practices, according to Dr. Roger Seheult, a critical ...

From cholera to norovirus, Giardia to hookworms, the gut is vulnerable to an impressive array of pathogens. To keep us alive in the face of this onslaught, the intestinal immune system must be ...

COVID vaccines saved millions of lives, but months into the rollout, a small number of people began developing dangerous blood clots in unusual parts of the body.

Green tea contains beneficial compounds that may support immune health by reducing inflammation, fighting oxidative stress, ...

As we age, the immune system gradually declines in function, leaving the body more vulnerable to disease. Scientists have discovered a new way to rejuvenate a key component of immune function, ...

Vitamins and supplements like zinc and cod liver oil are often touted for their ability to boost your immune system, but Jeffrey Bland, the "father of functional medicine," says that's not actually ...